1 files changed, 47 insertions, 0 deletions
diff --git a/src/wasm/wasm-limits.h b/src/wasm/wasm-limits.h
new file mode 100644
index 00000000..bf657a8c
--- /dev/null
+++ b/src/wasm/wasm-limits.h
@@ -0,0 +1,47 @@
+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef V8_WASM_WASM_LIMITS_H_
+#define V8_WASM_WASM_LIMITS_H_
+
+namespace v8 {
+namespace internal {
+namespace wasm {
+
+// The following limits are imposed by V8 on WebAssembly modules.
+// The limits are agreed upon with other engines for consistency.
+const size_t kV8MaxWasmTypes = 1000000;
+const size_t kV8MaxWasmFunctions = 1000000;
+const size_t kV8MaxWasmImports = 100000;
+const size_t kV8MaxWasmExports = 100000;
+const size_t kV8MaxWasmGlobals = 1000000;
+const size_t kV8MaxWasmDataSegments = 100000;
+// Don't use this limit directly, but use the value of FLAG_wasm_max_mem_pages.
+const size_t kV8MaxWasmMemoryPages = 16384;  // = 1 GiB
+const size_t kV8MaxWasmStringSize = 100000;
+const size_t kV8MaxWasmModuleSize = 1024 * 1024 * 1024;  // = 1 GiB
+const size_t kV8MaxWasmFunctionSize = 128 * 1024;
+const size_t kV8MaxWasmFunctionLocals = 50000;
+const size_t kV8MaxWasmFunctionParams = 1000;
+const size_t kV8MaxWasmFunctionMultiReturns = 1000;
+const size_t kV8MaxWasmFunctionReturns = 1;
+// Don't use this limit directly, but use the value of FLAG_wasm_max_table_size.
+const size_t kV8MaxWasmTableSize = 10000000;
+const size_t kV8MaxWasmTableEntries = 10000000;
+const size_t kV8MaxWasmTables = 1;
+const size_t kV8MaxWasmMemories = 1;
+
+const size_t kSpecMaxWasmMemoryPages = 65536;
+const size_t kSpecMaxWasmTableSize = 0xFFFFFFFFu;
+
+const uint64_t kWasmMaxHeapOffset =
+    static_cast<uint64_t>(
+        std::numeric_limits<uint32_t>::max())  // maximum base value
+    + std::numeric_limits<uint32_t>::max();    // maximum index value
+
+}  // namespace wasm
+}  // namespace internal
+}  // namespace v8
+
+#endif  // V8_WASM_WASM_LIMITS_H_